Ultraviolet light sterilizer



FIG. 1 is a perspective view of the ultraviolet light sterilizer showing my new design;

FIG. 2 is a front elevational view thereof, the rear view being a mirror image thereof;

FIG. 3 is a left side elevational view thereof, the right side view being a mirror image thereof;

FIG. 4 is a top view thereof; and,

FIG. 5 is a bottom view thereof.

The broken line showing is for environmental purposes only and forms no part of the claimed design. 

CLAIM The ornamental design for an ultraviolet light sterilizer, as shown and described. 